Mathematics

22 April, 15:54

Miguel asked Sandra to make 90 cookies for his party. Sandra needs ¼ cup of sugar to make 15 cookies. She incorrectly calculated the amount of sugar she will need.

Write a brief note to Sandra describing her mistake and explain to her how to correctly

Sandra's work:

Amount of sugar for 1 cookie: 15 x 1/4c = 15/4 = 3.75 C

Amount of sugar for 90 cookies: 3.75 C x 90 = 337.5 C

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